#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef double db;
const int N=100010;
const int inf=0x7fffffff;
int n;
int r[N];
int t[N];
int mx=-inf;
int ans=-inf;
signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>r[i];
        t[r[i]]++;
        mx=max(mx,r[i]);
    }
    for(int i=1;i<=mx;i++){
        ans=max(ans,t[i]);
    }
    cout<<ans;
    return 0;
}
/*
5
1 2 3 1 2
*/
/*
10
136 136 136 2417 136 136 2417 136 136 136
*/
